on battery power. WLAN on your Nokia device
deactivates when you are not trying to connect,
not connected to an access point, or not scanning
for available networks. To further reduce battery
consumption, you can specify that your device
does not scan, or scans less often, for available
networks in the background.
●If you have set Packet data connection to
When available in connection settings, and
there is no packet data coverage (GPRS), the
device periodically tries to establish a packet
data connection. To prolong the operating time
of your device, select Packet data connection >
When needed.
●The Maps application downloads new map
information when you scroll to new areas on the
map, which increases the demand on battery
power. You can prevent the automatic download
of new maps.
●If the signal strength of the cellular network
varies much in your area, your device must scan
for the available network repeatedly. This
increases the demand on battery power.
If the network mode is set to dual mode in the
network settings, the device searches for the 3G
network. You can set the device to use only the
GSM network. To use only the GSM network, select
Menu > Settings and Connectivity >
Network > Network mode > GSM.
●The backlight of the display increases the
demand on battery power. In the display
settings, you can change the length of the time-
out period after which the backlight is switched
off. Select Menu > Settings and Phone >
Display > Light time-out. To adjust the light
sensor that observes lighting conditions and
adjusts the display brightness, in the display
settings, select Light sensor.
●Leaving applications running in the background
increases the demand on battery power. To close
the applications you are not using, if they are not
responding, select Options > Show open
apps., and go to the application using the menu
key. Press and hold the menu key to open the
application, and select Options > Exit.
Free memory
To view how much space is available for different
data types, select Menu > Applications >
Office > File mgr..
Many features of the device use memory to store
data. The device notifies you if the memory in
different memory locations is low.
To free memory, transfer data to a compatible
memory card (if available) or to a compatible
computer. 13
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